Atomera ATOM Institutional Ownership

NASDAQ ATOM

$4.16 +0.09 (+2.21%)

As of: Sep 11, 2026 · 3:59 PM EDT

Institutions by Trading Activity

123 Institutions

Increased 85 69.1%

Unchanged 15 12.2%

Reduced 23 18.7%

Ownership Statistics

13F · as of 30 Jun, 2026

Institutional Ownership

53.93%

▲+8.28 pp QoQ

Shares Held by Institutions

20.84Mn

of 38.65Mn outstanding

▲+37.45% QoQ

Shares Outstanding

38.65Mn

17.80Mn held outside 13F filers

Institutional Investors

123

filed 13F for Jun 2026

▲+16 vs prior quarter

Net Shares Added (QoQ)

+5.68Mn

accumulated since last quarter

Value of Holdings

$84.21Mn

reported market value

Shares Owned by Institutions

Shares held % of outstanding

Latest —

Average ownership —

Peak ownership —

Shares Purchased/Sold by Institutions

Accumulated Distributed

Latest quarter —

Net over range —

Accumulating quarters —

Ownership Summary

Quarter ending 30 Jun, 2026

Atomera Inc (NASDAQ:ATOM) is held by 123 institutional investors per 13F filings through June 2026.

Their combined ownership stood at 53.9% of outstanding shares in June 2026, up from 45.7% in March 2026.
Their total shares held in ATOM increased 37.45% from the prior quarter, while the number of investors in Atomera increased 39.77% year over year.
Of these 123 funds, 85 grew their exposure to Atomera, 23 cut back, and 15 maintained positions.
Combined, these investors held 20.84Mn shares in ATOM for June 2026, up by 5.68Mn shares quarter on quarter, and up 9.71Mn shares year over year.
BlackRock, Inc. holds the largest position in ATOM at 2.99Mn shares as of June 30, 2026, or 7.74% of shares outstanding.
The biggest buyers of Atomera for the quarter ending June 2026 included UBS Group AG (1.15Mn), D. E. Shaw & Co., Inc. (914.4K), JANE STREET GROUP, LLC (650.32K), BlackRock, Inc. (617.6K), VANGUARD CAPITAL MANAGEMENT LLC (376.4K).
The biggest sellers of Atomera for the quarter ending June 2026 included CITADEL ADVISORS LLC (828.14K), MARSHALL WACE, LLP (221.88K), BROWN ADVISORY INC (69.1K), Westside Investment Management, Inc. (31.2K), FMR LLC (26.64K).
Per Business Quant data, the top 10 holders of Atomera for the quarter ending June 2026 are BlackRock, Inc. (2.99Mn), D. E. Shaw & Co., Inc. (1.89Mn), VANGUARD CAPITAL MANAGEMENT LLC (1.66Mn), AVENIR CORP (1.47Mn), Baird Financial Group, Inc. (1.34Mn), UBS Group AG (1.33Mn), GEODE CAPITAL MANAGEMENT, LLC (990.37K), JANE STREET GROUP, LLC (809.99K), Quantum Private Wealth, LLC (743.9K), State Street Corp (717.86K).

Form 13F Holdings

123 Institutional Holders

Report period 30 Jun, 2026

Total shares held 20.84Mn

Of outstanding 53.93%

#	Institution	CIK	Shares Held	% of Outstanding	Change (QoQ)	Change (%)	Value (USD)
1	BlackRock, Inc.	0002012383	2,990,446	7.74%	▲617,602	+26.03%	$26.05Mn
2	D. E. Shaw & Co., Inc.	0001009207	1,890,019	4.89%	▲914,396	+93.72%	$16.46Mn
3	VANGUARD CAPITAL MANAGEMENT LLC	0002100119	1,664,565	4.31%	▲376,404	+29.22%	$14.50Mn
4	AVENIR CORP	0001033475	1,468,660	3.80%	▲7,245	+0.50%	$12.79Mn
5	Baird Financial Group, Inc.	0001648711	1,340,888	3.47%	▲63,208	+4.95%	$11.68Mn
6	UBS Group AG	0001610520	1,328,824	3.44%	▲1,152,963	+655.61%	$11.57Mn
7	GEODE CAPITAL MANAGEMENT, LLC	0001214717	990,370	2.56%	▲220,673	+28.67%	$8.63Mn
8	JANE STREET GROUP, LLC	0001595888	809,991	2.10%	▲650,315	+407.27%	$7.06Mn
9	Quantum Private Wealth, LLC	0001929662	743,895	1.92%	▲145,586	+24.33%	$6.48Mn
10	State Street Corp	0000093751	717,862	1.86%	▲139,965	+24.22%	$6.25Mn
11	TWO SIGMA INVESTMENTS, LP	0001179392	667,667	1.73%	▲137,667	+25.97%	$5.82Mn
12	HOLLENCREST CAPITAL MANAGEMENT	0001161722	573,266	1.48%	▼23,933	-4.01%	$4.99Mn
13	VANGUARD PORTFOLIO MANAGEMENT LLC	0002100121	554,452	1.43%	▲375,482	+209.80%	$4.83Mn
14	Northern Trust Corp	0000073124	370,601	0.96%	▲81,921	+28.38%	$3.23Mn
15	Connor, Clark & Lunn Investment Management Ltd.	0001596800	352,205	0.91%	▲331,118	+1,570.25%	$3.07Mn
16	Defender Capital, LLC.	0001766929	295,450	0.76%	▲295,450	0.00%	$2.57Mn
17	VANGUARD FIDUCIARY TRUST CO	0000933478	274,960	0.71%	▲58,568	+27.07%	$2.39Mn
18	Morgan Stanley	0000895421	274,394	0.71%	▲2,792	+1.03%	$2.39Mn
19	MARSHALL WACE, LLP	0001318757	266,796	0.69%	▼221,879	-45.40%	$2.32Mn
20	Pathstone Holdings, LLC	0002011612	250,905	0.65%	0	0.00%	$2.19Mn

Showing 1 to 20 of 123 holders